fix: race condition due to asynchronous execution

app/src/main/java/chat/revolt/activities/WebChallengeActivity.kt

@@ -2,6 +2,7 @@ package chat.revolt.activities
 
 import android.annotation.SuppressLint
 import android.os.Bundle
+import android.util.Log
 import android.webkit.WebView
 import android.webkit.WebViewClient
 import androidx.appcompat.app.AppCompatActivity
@@ -36,7 +37,11 @@ class WebChallengeActivity : AppCompatActivity() {
             binding.webView.evaluateJavascript(
                 "(function() { return document.getElementById('cf-wrapper') != null; })();"
             ) { result ->
-                if (result == "false") { // No challenge
+                if (result == "false") {
+                    Log.d(
+                        "WebChallenge",
+                        "Challenge has been solved or we have been considered human."
+                    )
                     finish()
                 }
             }

app/src/main/java/chat/revolt/screens/SplashScreen.kt

@@ -6,6 +6,8 @@ import android.content.Intent
 import android.net.ConnectivityManager
 import android.net.NetworkCapabilities
 import android.util.Log
+import androidx.activity.compose.rememberLauncherForActivityResult
+import androidx.activity.result.contract.ActivityResultContracts
 import androidx.compose.foundation.Image
 import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.*
@@ -122,6 +124,14 @@ fun SplashScreen(
 ) {
     val context = LocalContext.current
 
+    val webChallengeActivityResult = rememberLauncherForActivityResult(
+        ActivityResultContracts.StartActivityForResult()
+    ) { result ->
+        if (result.resultCode == 0) {
+            viewModel.checkLoggedInState()
+        }
+    }
+
     if (!viewModel.isConnected) {
         DisconnectedScreen(
             onRetry = {
@@ -160,13 +170,8 @@ fun SplashScreen(
             }
 
             "webchallenge" -> {
-                context.startActivity(
+                val intent = Intent(context, WebChallengeActivity::class.java)
-                    Intent(
+                webChallengeActivityResult.launch(intent)
-                        context,
-                        WebChallengeActivity::class.java
-                    )
-                )
-                viewModel.checkLoggedInState()
             }
 
             "home" -> {